Finding the Fourth Proportional to 3,826,135.10, 5,739,036.60 and 1,430,000.48
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Solution
The fourth proportional to 3,826,135.10, 5,739,036.60 and 1,430,000.48 is: 2,144,938.66
Step by Step Solution
- Step 1: Write the proportion equation
3,826,135.10 : 5,739,036.60 = 1,430,000.48 : x - Step 2: Convert to fraction form
3,826,135.10/5,739,036.60 = 1,430,000.48/x - Step 3: Cross multiply
3,826,135.10x = 5,739,036.60 × 1,430,000.48 - Step 4: Simplify right side
3,826,135.10x = 8,206,825,092,737.57 - Step 5: Solve for x
x = 8,206,825,092,737.57/3,826,135.10 - Step 6: Final answer
x = 2,144,938.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.